ABAP Select data from SAP table IBRT_INSTANCE_DATA_VALID into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IBRT_INSTANCE_DATA_VALID table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to IBRT_INSTANCE_DATA_VALID. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the IBRT_INSTANCE_DATA_VALID table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_IBRT_INSTANCE_DATA_VALID TYPE STANDARD TABLE OF IBRT_INSTANCE_DATA_VALID,
      WA_IBRT_INSTANCE_DATA_VALID TYPE IBRT_INSTANCE_DATA_VALID,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <IBRT_INSTANCE_DATA_VALID> TYPE IBRT_INSTANCE_DATA_VALID.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IBRT_INSTANCE_DATA_VALID.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IBRT_INSTANCE_DATA_VALID
  INTO TABLE IT_IBRT_INSTANCE_DATA_VALID.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBRT_INSTANCE_DATA_VALID
*  INTO TABLE @DATA(IT_IBRT_INSTANCE_DATA_VALID2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_IBRT_INSTANCE_DATA_VALID INDEX 1 INTO DATA(WA_IBRT_INSTANCE_DATA_VALID2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IBRT_INSTANCE_DATA_VALID ASSIGNING <IBRT_INSTANCE_DATA_VALID>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBRT_INSTANCE_DATA_VALID>-VALID_FROM = 1.
<IBRT_INSTANCE_DATA_VALID>-VALID_TO = 1.
<IBRT_INSTANCE_DATA_VALID>-IN_RECNO = 1.
<IBRT_INSTANCE_DATA_VALID>-DATA = 1.
<IBRT_INSTANCE_DATA_VALID>-INSTANCE = 1.

ENDLOOP.

LOOP AT IT_IBRT_INSTANCE_DATA_VALID INTO WA_IBRT_INSTANCE_DATA_VALID.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBRT_INSTANCE_DATA_VALID-ROOT, sy-vline,
  WA_IBRT_INSTANCE_DATA_VALID-ACTIVE, sy-vline,
  WA_IBRT_INSTANCE_DATA_VALID-ITYPE, sy-vline,
  WA_IBRT_INSTANCE_DATA_VALID-OBJTYP, sy-vline,
  WA_IBRT_INSTANCE_DATA_VALID-CLTYP, sy-vline,
  WA_IBRT_INSTANCE_DATA_VALID-OBJKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBRT_INSTANCE_DATA_VALID you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_IBRT_INSTANCE_DATA_VALID TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_IBRT_INSTANCE_DATA_VALID INTO WA_IBRT_INSTANCE_DATA_VALID.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IBRT_INSTANCE_DATA_VALID-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBRT_INSTANCE_DATA_VALID-UNIT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IBRT_INSTANCE_DATA_VALID_STR, 
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
IN_RECNO TYPE STRING,
DATA TYPE STRING,
INSTANCE TYPE STRING,
ROOT TYPE STRING,
ACTIVE TYPE STRING,
ITYPE TYPE STRING,
OBJTYP TYPE STRING,
CLTYP TYPE STRING,
OBJKEY TYPE STRING,
PROPERTIES TYPE STRING,
OBJECT_CSTICS TYPE STRING,
ITEM_DATA TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
CFG_DATE TYPE STRING,
PROFILE_CNT TYPE STRING,
OWNER TYPE STRING,
OBJECT_TYPE TYPE STRING,
OBJECT_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBRT_INSTANCE_DATA_VALID_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_IBRT_INSTANCE_DATA_VALID_STR-VALID_FROM sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-VALID_TO sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-IN_RECNO sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-DATA sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-INSTANCE sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-ROOT sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-ACTIVE sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-ITYPE sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-OBJTYP sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-CLTYP sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-OBJKEY sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-PROPERTIES sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-OBJECT_CSTICS sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-ITEM_DATA sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-QUANTITY sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-UNIT sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-CFG_DATE sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-PROFILE_CNT sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-OWNER sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-OBJECT_TYPE sy-vline 
WA_IBRT_INSTANCE_DATA_VALID_STR-OBJECT_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.